Sample data from Engineering Database — 375 reference tables, deterministic calculators, and Engineering AI. Sign up free
Pipe Fittings: Tee, Through-branch,(as elbow), (r/D = 1.5)
Pipe fittings loss coefficients — Darby 3K method K-factors for elbows, tees, valves, and other fittings
| fitting type | K1 (dimensionless) | K ref (dimensionless) | Kd (dimensionless) | Ki (dimensionless) | category | description |
|---|---|---|---|---|---|---|
| Tee, Through-branch,(as elbow), (r/D = 1.5) | 800 | 0.602861 | 4 | 0.14 | Tee | Darby 3K: K = 800.0/Re + 0.14*(1 + 4.0/D^0.3) |
What else is in Engineering Database
Iron Engine ↗Engineering AI at ironengine.ai
AI built for engineering. Searches the engineering database, performs calculations, gives source-backed engineering insights.
Get started for free ↗Reference Data375 engineering tablesMaterial properties, pipe and shape dimensions, code tables, and electrical ratings across mechanical, civil, chemical, electrical, materials, and manufacturing engineering.
Browse dataCalculatorsDeterministic engineering calculatorsSizing, checking, and conversion tools that run against the reference tables. Inputs are code-compliant, outputs are traceable to the source standard.
Browse calculatorsCalculators that use this data
Related data
Elbow, 180°, all, (r/D = 1.5)1 rowElbow, 180°, flanged, (r/D = 1)1 rowElbow, 180°, threaded, close-return bend, (r/D = 1)1 rowElbow, 45°, long radius, (r/D = 1.5)1 rowElbow, 45°, mitered, 1 weld, (45°)1 rowElbow, 45°, mitered, 2 welds, (22.5°)1 rowElbow, 45°, threaded standard, (r/D = 1)1 rowElbow, 90°, (r/D = 2)1 rowElbow, 90°, (r/D = 4)1 rowElbow, 90°, (r/D = 6)1 rowElbow, 90°, 2 welds, (45°)1 rowElbow, 90°, 3 welds, (30°)1 row